Code: Purges unrequired (legacy) header.

* `sass_interface.h` is unused in favour of `sass_context.h`.
* Removes unnecessary `using namespace std;` (which is not ideal
  anyway).
* Removes `#include <exception>`.

Author: am11

libsass/SassInterface.cpp

@@ -18,14 +18,9 @@
 //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 //SOFTWARE.
 
-#include <exception>
-#include "native\sass_interface.h"
 #include "native\sass2scss.h"
 #include "StringToANSI.hpp"
 #include "SassInterface.hpp"
-#include "native\sass_context.h"
-
-using namespace std;
 
 namespace LibSassNet
 {
@@ -205,4 +200,4 @@ namespace LibSassNet
     sass_free_folder_context(ctx);
     }
     }*/
-}
+}

libsass/SassInterface.hpp

@@ -19,6 +19,7 @@
 //SOFTWARE.
 
 #include "ISassInterface.hpp"
+#include "native\sass_context.h"
 
 namespace LibSassNet
 {
@@ -33,4 +34,4 @@ namespace LibSassNet
 			// Folder context isn't implemented in core libsass library now
 			/*virtual int Compile(SassFolderContext^ sassFolderContext);*/
 	};
-}
+}